From 0e4a111f81cceed275d9bec2695f6e401fb654d8 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Fri, 12 Nov 2021 02:02:25 +0900
Subject: refactoring

Resolve #7779
---
 packages/backend/src/server/api/authenticate.ts | 62 +++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 packages/backend/src/server/api/authenticate.ts

(limited to 'packages/backend/src/server/api/authenticate.ts')

diff --git a/packages/backend/src/server/api/authenticate.ts b/packages/backend/src/server/api/authenticate.ts
new file mode 100644
index 0000000000..b8e216edc4
--- /dev/null
+++ b/packages/backend/src/server/api/authenticate.ts
@@ -0,0 +1,62 @@
+import isNativeToken from './common/is-native-token';
+import { User } from '@/models/entities/user';
+import { Users, AccessTokens, Apps } from '@/models/index';
+import { AccessToken } from '@/models/entities/access-token';
+
+export class AuthenticationError extends Error {
+	constructor(message: string) {
+		super(message);
+		this.name = 'AuthenticationError';
+	}
+}
+
+export default async (token: string): Promise<[User | null | undefined, App | null | undefined]> => {
+	if (token == null) {
+		return [null, null];
+	}
+
+	if (isNativeToken(token)) {
+		// Fetch user
+		const user = await Users
+			.findOne({ token });
+
+		if (user == null) {
+			throw new AuthenticationError('user not found');
+		}
+
+		return [user, null];
+	} else {
+		const accessToken = await AccessTokens.findOne({
+			where: [{
+				hash: token.toLowerCase() // app
+			}, {
+				token: token // miauth
+			}],
+		});
+
+		if (accessToken == null) {
+			throw new AuthenticationError('invalid signature');
+		}
+
+		AccessTokens.update(accessToken.id, {
+			lastUsedAt: new Date(),
+		});
+
+		const user = await Users
+			.findOne({
+				id: accessToken.userId // findOne(accessToken.userId) のように書かないのは後方互換性のため
+			});
+
+		if (accessToken.appId) {
+			const app = await Apps
+				.findOneOrFail(accessToken.appId);
+
+			return [user, {
+				id: accessToken.id,
+				permission: app.permission
+			} as AccessToken];
+		} else {
+			return [user, accessToken];
+		}
+	}
+};
-- 
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